253123004 has 12 divisors (see below), whose sum is σ = 462224784. Its totient is φ = 121058784.

The previous prime is 253123001. The next prime is 253123007. The reversal of 253123004 is 400321352.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (253123001) and next prime (253123007).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253123001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1375577 + ... + 1375760.

It is an arithmetic number, because the mean of its divisors is an integer number (38518732).

Almost surely, 2^253123004 is an apocalyptic number.

It is an amenable number.

253123004 is a deficient number, since it is larger than the sum of its proper divisors (209101780).

253123004 is a wasteful number, since it uses less digits than its factorization.

253123004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751364 (or 2751362 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 253123004 is about 15909.8398483454. The cubic root of 253123004 is about 632.5728362642.

Adding to 253123004 its reverse (400321352), we get a palindrome (653444356).

The spelling of 253123004 in words is "two hundred fifty-three million, one hundred twenty-three thousand, four".